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Effect of Lactobacillus Rhamnosus on serum uremic toxins (phenol and P-Cresol) in hemodialysis patients: A double blind randomized clinical trial.

  • 2018-12
  • Clinical Nutrition ESPEN 28
    • F. Eidi
    • Fatemeh Poor-Reza Gholi
    • A. Ostadrahimi
    • N. Dalili
    • F. Samadian
    • A. Barzegari

Abstract

Background: Uremic toxins such as p-cresol and phenol are suggested to be associated with higher mortality in hemodialysis patients. The aim of this study was to investigate the effects of probiotics on some serum uremic toxin levels in hemodialysis patients.

Methods: Patients undergoing hemodialysis in a university dialysis center were enrolled in this randomized controlled double blind clinical trial. The patients received probiotic (Lactobacillus Rhamnosus) for duration of 4 weeks. All data were presented as the mean ± SD. Statistical analyses were performed by SPSS statistical software. Paired t-test was used to compare pre- and post-treatment p-cresol levels. P values less than .05 were considered statistically significant.

Results: A total of 42 hemodialysis patients (32 male and 10 female) were enrolled in this study. The mean ± SD age of the patients in Lactobacillus Rhamnosus and placebo groups were 57.05 ± 13.96 and 59.67 ± 15.04 years, respectively. Values of uremic toxins before treatment did not differ statistically between groups but they were significantly lower in Lactobacillus Rhamnosus group compared with placebo group (P < .05). Total Phenol and p-cresol levels were associated with sodium, energy, carbohydrate, fat and protein intake and fiber consumption, accompanying by hemodialysis hours per week in linear regression analyses.

Conclusions: This study demonstrated that probiotics could be a promising target in hemodialysis patients with the capability of decreasing serum phenolic uremic toxins in this population.

Trial registration: IRCT20154182017N21 Date:09/12/2016.

Keywords: Hemodialysis; P-Cresol; Probiotic; Uremic toxins.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Lactobacillus rhamnosus CRL 1505Reduced Uremic Toxins LevelsBeneficial
Moderate

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